Valve of internal-combustion engines.



DARCY V. T. A. LOCKE- VALVE or INTERNAL COMBUSTION ENGINES.

APPLIGAT ION FILED NOV. 12. 1909. 963,600, Patented July'5, 1910.

2 SHEETS S HEET 2.

zarlamdmw Inwnlor v M v HBQURNE, ENGLAND, AssIoNoa I LAND, AND FRANCIS CHENEY l neman.

VALVE or rn-ranimncoianusmron enemas.

-963,6@ih Siui i e' of fl c siat at Patented July 5, 1910. Application filed November 1a, 1909. sea-t1 No. 527,685. ffl o' all whom it may concern; 8, 9' and 10 are-sections of the valve, ig. 7

Be it known that I, DARoY VICTOR alone taken respectively on the lines B B, 55 i HOMAS ANDREWS Looiiaresidingat South- C and D D Fig. 7. Figs. 5 6; 8, 9 and 10 1 ou'rne, England, have invented new and are drawn to larger scale than the other v and to avoid friction 111 the working of the nation of temperature within the Valve.

useful Inprovements in the Valves of Infigures.

ternal-Coznbustion Engines, of which the fol- In the following description the parts of owing is a specification. the said figures are referred to by the let- The said invention relates to those valves I ters marked thereon, the same letters of refof internal combustion engines working on erence indicating the same or equivalent the Otto cycle which are tubular and rotaparts in all the figures. tably mounted Within achamber and have efei ring to Figs. 1 to 6, a is the valve time with the cylinder or cylinders of the engine during its Working and the objects of the said invention are to prevent escape of gases between the saidvalve and chamber one for exhaust. d is the gas inlet or fex-- haust as the case may be. e e are ports between the cylinders 6 b an the chamber a. 7'0 are ports in the valve shell coinciding roin time to time with the ports 6 e durin va ve notwithstandin' unequal expansion rotation of. the valve whereby gas is adof the valve and chain er consequent onva- Z) Z) through the interior of the valve 0 in due According to the said invention the mouths of the admission and exhaust ports in the valve are formed in a split spring ring or split spring rings surrounding the body of the valve at the part or parts where the ornied in them apertures constituting the so chambers by means of a web between the In the construction Fig. 4 the gas inlet or ports. exhaust d is arran ed in the side of the Means may be provided for moving the chamber a and 1s a ways in communication valve endwise in order to increase or decrease with the interior of the valvec by means of the effective size of the ports and thereby the ports Z l in it.

act as a throttle oraccelerator to the engine. In the construction Figs; 7, 8, 9 and 10 figure 1 of t e accompanying drawings the interior of the valve is divided by a is a side elevation of an interna combustion longitudinal web at into two chambers n, o

' respectively communicating with the end ininvention. Fig. 2 is a lonletp and the central exhaustq which web m gitndinal section of one of the. valve chamis formed so that the admission ports r 1' of odying the said .bcrs of the engine Fig. .l. Fi 3 is a side I the valve open into the chamber n which is view of one of the valves of the engine Fig. 3H1 comn'iunication with the inlet and so that 1. Fig. at is a longitudinal Section of one the exhaust ports 8 t are in commun cation of the valve chambers and its valve c0n with the chamber 0 which is in communicastructcd according to a modification. Fition With the exhaus is a side view of a portion of the valve As shown in Figs. 7 and 9 the exhaust and Fig. 6 is a. section thereof taken on the port t conin'iiniicatcs with the chamber 0 by line A A. Fig. 5. Fig. 7 is a longitudinal means of a passage crossing the inlet chant section of the ,valve and its chamber when her n. In this construction each of the split the valve is provided with a web as andfor spring rings 1 g has two ports cut in it'coin- I the purpose hereinbefore described. Figs. ciding respectively with the valve inlet and the valve ports for the purpose hereinoet'ore described.

2. A rotatory internal combustion engine 20 valve consisting essentially of a tube the interior of which is divided by a longitudinal web into two chambers respectively communicating with the inlet and exhaust andhaving radial inlet and exhaust ports 5 respectively which tube is fitted at its ported parts with surrounding split spring rings rotating with it and having ports coincident with the tube ports for t e purpose hereinbefore described.

DARCY VICTOR THOMAS ANDREWS LOCKE.

exhaust ports for each cylinder the splits of the said rings being between the ports. in them as shown'in Figs. 8, 9 and 10.

B the construction hereinbefore de- 5 scrihedthe necessary gas tight"'fit between the valve and its casing at and near the ports is insured notwithstanding diilerences of expansion ,thereol' the elasticity of the port rings 9 g keeping their outer faces 10 always in contact with the valve casing without undue pressure.

I claim 2- 1. A rotatory internal combustion engine valve consisting essentially of a radially 15 ported tube and fitted at its ported parts Witnesses:

with surrounding split spring rings rotating RAOUL THOMPSON, with it and having ports COlIlClt ent withl SAMUEL ALLEYNE. 

